Home / 15,541.28-21,446.12-8,826.74

Finding the Fourth Proportional to 15,541.28, 21,446.12 and 8,826.74

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Solution

The fourth proportional to 15,541.28, 21,446.12 and 8,826.74 is: 12,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.28 : 21,446.12 = 8,826.74 : x
  2. Step 2: Convert to fraction form
    15,541.28/21,446.12 = 8,826.74/x
  3. Step 3: Cross multiply
    15,541.28x = 21,446.12 × 8,826.74
  4. Step 4: Simplify right side
    15,541.28x = 189,299,325.25
  5. Step 5: Solve for x
    x = 189,299,325.25/15,541.28
  6. Step 6: Final answer
    x = 12,180.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.